fight them. killing these tiny bugs costs big money, almost $1,000 for the average home, thousands more for businesses and apartment buildings. none of it is covered by insurance. that's what scared adam garvin. he works for the housing authority in bloomington, illinois. >> i could have a building with one apartment having bedbugs to having 100 apartments. >> reporter: urban areas are the hardest hit. most infested cities stretch from coast to coast. at the top, new york, where bedbugs have invaded movie theaters, retail stores, even the empire state building. >> we actually use new york city as a barometer for what we think is going to happen across the country in the next five to ten years. >> reporter: that may be enough to keep you up at night. barbara pinto, abc news, rosemont, illinois. >> you see what's happening behind us? >> oh, man, look at that. vinita out. >> i can't get it off! let me out of here! no, no, no, no. >> she's gone, folks.